AY

Akio Yashiba

Ricoh Company: 6 patents #3,275 of 9,818Top 35%
Overall (All Time): #879,470 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6502960 Light source device for an image forming apparatus Yasuhiro Naoe, Hideyasu Yamanaka 2003-01-07
6472247 Solid-state imaging device and method of production of the same Jun Andoh, Yoshihiro Morii, Toshio Kobayashi, Hiroshi Takemoto, Takeshi Sano +1 more 2002-10-29
6299331 Light source device for an image forming apparatus Yasuhiro Naoe, Hideyasu Yamanaka 2001-10-09
6179445 Light source device for an image forming apparatus Yasuhiro Naoe, Hideyasu Yamanaka 2001-01-30
5997153 Light source device for an image forming apparatus Yasuhiro Naoe, Hideyasu Yamanaka 1999-12-07
5758950 Light source device for an image forming apparatus Yasuhiro Naoe, Hideyasu Yamanaka 1998-06-02